CLEANSTART-2026-IU74948 During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between the initial handshake and the resumed handshake, the resumed handshake may succ...

CVE-2025-68121 affects multiple packages. During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between the initial handshake and the resumed handshake, the resumed handshake may succeed when it should have failed. See references for...

CLEANSTART-2026-DD22310 During the TLS 1

Security vulnerability affects the coredns package. During the TLS 1...

DEBIAN-CVE-2026-19445

A remote, unauthenticated TLS client can make a server crash or call through a freed pointer if its snicallback assigns a different context to SSLSocket.context the documented way to select a certificate per server name and nothing else keeps the original ssl.SSLContext alive. Typical cases are...

ALPINE-CVE-2026-19445

A remote, unauthenticated TLS client can make a server crash or call through a freed pointer if its snicallback assigns a different context to SSLSocket.context the documented way to select a certificate per server name and nothing else keeps the original ssl.SSLContext alive. Typical cases are...

AZL-105690 CVE-2026-19445 affecting package python3 3.12.14-2

A remote, unauthenticated TLS client can make a server crash or call through a freed pointer if its snicallback assigns a different context to SSLSocket.context the documented way to select a certificate per server name and nothing else keeps the original ssl.SSLContext alive. Typical cases are...

UBUNTU-CVE-2026-19445

A remote, unauthenticated TLS client can make a server crash or call through a freed pointer if its snicallback assigns a different context to SSLSocket.context the documented way to select a certificate per server name and nothing else keeps the original ssl.SSLContext alive. Typical cases are...

CVE-2026-19445

A remote, unauthenticated TLS client can make a server crash or call through a freed pointer if its snicallback assigns a different context to SSLSocket.context the documented way to select a certificate per server name and nothing else keeps the original ssl.SSLContext alive. Typical cases are...

CVE-2026-19445

A remote, unauthenticated TLS client can trigger a server crash or a use-after-free (calling through a freed pointer) vulnerability. This occurs when the sni_callback assigns a different context to SSLSocket.context —the standard method for selecting certificates per server name—without any other...

CVE-2026-19445 Use-after-free of a server-side SSLContext when sni_callback switches contexts

A remote, unauthenticated TLS client can make a server crash or call through a freed pointer if its snicallback assigns a different context to SSLSocket.context the documented way to select a certificate per server name and nothing else keeps the original ssl.SSLContext alive. Typical cases are...

CVE-2026-19445

A remote, unauthenticated TLS client can make a server crash or call through a freed pointer if its snicallback assigns a different context to SSLSocket.context the documented way to select a certificate per server name and nothing else keeps the original ssl.SSLContext alive. Typical cases are...

CVE-2026-19445

A remote, unauthenticated TLS client can make a server crash or call through a freed pointer if its snicallback assigns a different context to SSLSocket.context the documented way to select a certificate per server name and nothing else keeps the original ssl.SSLContext alive. Typical cases are...

Improper Certificate Validation

Snowflake drivers are vulnerable to Improper Certificate Validation. The vulnerability is due to improper validation of OCSP responses and treating definitive verification failures as transient, which allows a man-in-the-middle attacker with a revoked certificate and its private key to establish ...

EUVD-2026-89000

urllib3: HTTPS proxy TLS configuration may be ignored or overridden...

urllib3: HTTPS proxy TLS configuration may be ignored or overridden

Impact urllib3 supports configuring TLS independently for an HTTPS proxy and the target server. proxysslcontext, proxyasserthostname, and proxyassertfingerprint configure the TLS connection to the proxy. sslcontext and the other target-specific TLS parameters configure the connection to the targe...

GHSA-8988-9CW3-XX77 urllib3: HTTPS proxy TLS configuration may be ignored or overridden

Impact urllib3 supports configuring TLS independently for an HTTPS proxy and the target server. proxysslcontext, proxyasserthostname, and proxyassertfingerprint configure the TLS connection to the proxy. sslcontext and the other target-specific TLS parameters configure the connection to the targe...

OESA-2026-4136 jss security update

Java Security Services JSS is a java native interface which provides a bridge for java-based applications to use native Network Security Services NSS. This only works with gcj. Other JREs require that JCE providers be signed. Security Fixes: A flaw was found in JSS Java Security Services. The...

OESA-2026-4137 jss security update

Java Security Services JSS is a java native interface which provides a bridge for java-based applications to use native Network Security Services NSS. This only works with gcj. Other JREs require that JCE providers be signed. Security Fixes: A flaw was found in JSS Java Security Services. The...

OESA-2026-4135 jss security update

Java Security Services JSS is a java native interface which provides a bridge for java-based applications to use native Network Security Services NSS. This only works with gcj. Other JREs require that JCE providers be signed. Security Fixes: A flaw was found in JSS Java Security Services. The...

OESA-2026-4134 jss security update

Java Security Services JSS is a java native interface which provides a bridge for java-based applications to use native Network Security Services NSS. This only works with gcj. Other JREs require that JCE providers be signed. Security Fixes: A flaw was found in JSS Java Security Services. The...

CVE-2026-10726

Cato Windows SDP Client before version 6.12.6 contains an arbitrary file disclosure vulnerability. A low-privileged local user can cause the Windows service, running as Local System, to read and disclose arbitrary local files due to improper file path validation and missing TLS certificate...